diff --git a/src/main/java/com/atsuishio/superbwarfare/client/model/entity/SpeedboatModel.java b/src/main/java/com/atsuishio/superbwarfare/client/model/entity/SpeedboatModel.java
index 0accd1e78..a0999b882 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/model/entity/SpeedboatModel.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/model/entity/SpeedboatModel.java
@@ -23,7 +23,7 @@ public class SpeedboatModel extends GeoModel<SpeedboatEntity> {
 
     @Override
     public ResourceLocation getTextureResource(SpeedboatEntity entity) {
-        return ModUtils.loc("textures/entity/vehicle.png");
+        return ModUtils.loc("textures/entity/speedboat.png");
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/menu/VehicleMenu.java b/src/main/java/com/atsuishio/superbwarfare/menu/VehicleMenu.java
index edbb46d9f..f62304d1b 100644
--- a/src/main/java/com/atsuishio/superbwarfare/menu/VehicleMenu.java
+++ b/src/main/java/com/atsuishio/superbwarfare/menu/VehicleMenu.java
@@ -17,6 +17,9 @@ public class VehicleMenu extends AbstractContainerMenu {
     private final int containerRows;
 
     public static final int DEFAULT_SIZE = 105;
+    public static final int DEFAULT_AMMO_PERK_SLOT = 102;
+    public static final int DEFAULT_FUNC_PERK_SLOT = 103;
+    public static final int DEFAULT_DAMAGE_PERK_SLOT = 104;
 
     public static final int X_OFFSET = 97;
     public static final int Y_OFFSET = 20;